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I've been working on adding support for a (semi-proprietary) extension for PowerPC called "Paired-Singles". It's a SIMD instruction set supporting various operations on a vector of 2 32-bit floating point numbers. The Extension is found in the PowerPC 750CL, modified variants of it are used in the Nintendo GameCube (Gekko), the Nintendo Wii (Broadway) and the Nintendo Wii U

I was confused by the lack of TableGen backends in the llvm/lib/tablegen directory until I stumbled upon the llvm/utils/tablegen directory. Could someone explain why TableGen is divided into these two directories? ---------------------------------------------------------------- Windfall Paul C. Anagnostopoulos ----------------------------------------------------------

Hi friendly LLVM Devs, I'm trying to understand the technical details of tail call optimization, but unfortunately I hit some issues that I couldn't figure out myself. So I tried the following two really simple functions: > extern void g(int*); > void f1() { > int x; > g(&x); > } > void f2(int* x) { > g(x); > } > It turns out that 'f1'